CPP students are going through a three$-$step process to obtain their student ID cards. Each student will spend $2$ minutes at the registration desk before going to one of three cashiers to pay a fee for the card. After that, he$/$she will visit one of four ID processing stations to have his$/$her picture taken and the ID card printed. Registration takes $2$ minutes. Visits to the cashier and ID processing station take $10$ and $20$ minutes respectively. If the demand rate is $0\mathrm{.}5$ student per minute, which of the following conclusions can be drawn if resources are doubled at the processing station?

Multiple Choice

The cashier station I stom

The ID processing station becomes the bottleneck

Registration becomes the bottleneck.

There will be no bottleneck in the process.